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RISSynthesis of new pyrimido[4,5-d]pyrimidin-4(1H)-one derivatives in the presence of ferric hydrogensulfate
Pyrimidopyrimidines are bicyclic uracils that have attracted considerable interest in recent years [1]. Their derivatives have been known to display a wide range of pharmacological activities, and potent inhibitory properties. Numerous reports...
Synthesis of new pyrazolo[3,4-d]pyrimidine derivatives as potential antibacterial agents
In recent years, pyrazolo[3,4-d]pyrimidines and related fused heterocyclic compounds have attracted the attention of numerous researchers due to their important biological activities and their structure similarity to purines. Wide arrays...
A novel and efficient one-pot synthesis of new α-aminophosphonates and evaluation of their biologicalactivities
In recent years, considerable interest has been focused on the synthesis of α-aminophosphonates, because they are considered to be structural analogues of the corresponding α-aminoacids.In these connections, the utilities of α...
One-pot solvent free synthesis of someindolylmethane amine derivativesbyFe(HSO4)3 as a recycable catalyst
In recent years, significant interest has been devoted to the preparation of substituted indoles due to their varied biological activities including antioxidant, antibacterial, and insecticidal. They also act as colon cancer cell and tumor growth...
Synthesis of new derivatives of pyrimido[5,4-e][1,2,4]triazolo[3,4-b][1,3,4]thiadiazine and stadise of their biological activities
Due to their unique clinical applications, syntheses of pyrimidine-fused heterocycles have been intensively investigated in recent years. Pyrimidine derivatives are highly effective as hypnotic drugs, antitumor, antibacterial and anti-HIV agents...
Novel acidic ionic liquid as efficient and reusable catalyst based on imidazolium cation
Application of solvent-free reactions in organic synthesis, particularly those based on
imidazolium cations, has gained attention in recent years [1-3]. Herein, a novel acidic ionic liquid based on imidazolium cation is designed, synthesized...